Add grc for colouring

grc/.grc/conf.tfplan

@@ -0,0 +1,23 @@
+# The following matches terraform plan changes and aims to colorize
+# those that show changes.
+#
+# Example:
+# alias.3346967081.evaluate_target_health:   "" => "false"
+# alias.3346967081.name:                     "" => "somednsname.eu-west-1.elb.amazonaws.com"
+# alias.3346967081.zone_id:                  "" => "some-zone"
+#
+# Changes which stay the same are colored green, whereas those that
+# have changed are colored red. Changes which are due to AWS
+# computed values are colored blue.
+
+regexp=\s+(?:[^:])+:\s+"(.*)" => "\1"
+colour=green
+count=stop
+-
+regexp=\s+(?:[^:])+:\s+"(.*)" => <computed>
+colour=blue
+count=stop
+-
+regexp=\s+(?:[^:])+:\s+"(.*)" => "(.*)"
+colour=red,bold red,bold red
+count=stop

grc/.grc/grc.conf

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+# Terraform
+\bterraform plan\b
+conf.tfplan